package com.itheima.reggie.web;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.entity.Setmeal;
import com.itheima.reggie.entity.SetmealDto;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.SetmealDishService;
import com.itheima.reggie.service.SetmealService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.web.bind.annotation.*;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;

@Slf4j
@RequestMapping("/setmeal")
@RestController
public class SetmealController {
    @Autowired
    SetmealDishService setmealDishService;
    @Autowired
    SetmealService setmealService;
    @Autowired
    CategoryService categoryService;



    //添加套餐

    @PostMapping
    @CacheEvict(value = "cach",allEntries = true)
    public R<String> save(@RequestBody SetmealDto setmealDto){
        log.info("套餐信息：{}",setmealDto);

        setmealService.saveWithDish(setmealDto);

        return R.success("新增套餐成功");
    }



     //套餐分页查询

    @GetMapping("/page")
    public R<Page> page(int page, int pageSize, String name){
        //分页构造器对象
        Page<Setmeal> pageInfo = new Page<>(page,pageSize);
        Page<SetmealDto> dtoPage = new Page<>();

        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        //添加查询条件，根据name进行like模糊查询
        queryWrapper.like(name != null,Setmeal::getName,name);
        //添加排序条件，根据更新时间降序排列
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        setmealService.page(pageInfo,queryWrapper);

        //对象拷贝
        BeanUtils.copyProperties(pageInfo,dtoPage,"records");
        List<Setmeal> records = pageInfo.getRecords();

        List<SetmealDto> list = records.stream().map((item) -> {
            SetmealDto setmealDto = new SetmealDto();
            //对象拷贝
            BeanUtils.copyProperties(item,setmealDto);
            //分类id
            Long categoryId = item.getCategoryId();
            //根据分类id查询分类对象
            Category category = categoryService.getById(categoryId);
            if(category != null){
                //分类名称
                String categoryName = category.getName();
                setmealDto.setCategoryName(categoryName);
            }
            return setmealDto;
        }).collect(Collectors.toList());

        dtoPage.setRecords(list);
        return R.success(dtoPage);
    }




      /*删除套餐
      @param ids
      @return
      */

    @DeleteMapping                //清除缓存组件下的所有数据
    @CacheEvict(value = "cach",allEntries = true)
    public R<String> delete(@RequestParam List<Long> ids){
        log.info("ids:{}",ids);
        setmealService.removeWithDish(ids);
        return R.success("套餐数据删除成功");
    }


    /**
     * 套餐单个起售和批量起售
     *
     * @param
     * @return
     */
    @PostMapping("/status/{status}")
    public R<String> Status(@PathVariable Integer status, Long[] ids) {

        List<Long> list = Arrays.asList(ids);

        LambdaUpdateWrapper<Setmeal> objectLambdaUpdateWrapper = new LambdaUpdateWrapper<>();
        objectLambdaUpdateWrapper.set(Setmeal::getStatus, status).in(Setmeal::getId, list);
        setmealService.update(objectLambdaUpdateWrapper);
        return R.success("状态修改成功");

    }


    /**
     * 修改套餐信息。
     *
     * @param setmealDto
     * @return
     */
    @PutMapping
    public R<String> update(@RequestBody SetmealDto setmealDto) {
        log.info("修改套餐信息{}", setmealDto);
        // 执行更新。
        setmealService.updateSetmealr(setmealDto);
        return R.success("修改套餐信息成功");
    }

    /**
     * 根据id查询套餐信息
     *
     * @param id
     * @return
     */
    @GetMapping("/{id}")
   // @CacheEvict(value = "cach",allEntries = true)
    public R<SetmealDto> get(@PathVariable Long id) {
        SetmealDto setmealDto=setmealService.getByIdSetmealDishes(id);

        return R.success(setmealDto);
    }



    /**
     * 根据条件查询套餐数据  移动端页面菜品显示
     * @param setmeal
     * @return
     */
    @GetMapping("/list")
    @Cacheable(value = "cach",key = "#setmeal.categoryId+'_'+#setmeal.status")
    public R<List<Setmeal>> list(Setmeal setmeal){
        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(setmeal.getCategoryId() != null,Setmeal::getCategoryId,setmeal.getCategoryId());
        queryWrapper.eq(setmeal.getStatus() != null,Setmeal::getStatus,setmeal.getStatus());
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        List<Setmeal> list = setmealService.list(queryWrapper);
        return R.success(list);
    }

}
